Common Weakness Enumeration
CWE-420
AllowedUnprotected Alternate Channel
Abstraction: Base · Status: Draft
The product protects a primary channel, but it does not use the same level of protection for an alternate channel.
71 vulnerabilities reference this CWE, most recent first.
CVE-2026-43505 (GCVE-0-2026-43505)
Vulnerability from cvelistv5 – Published: 2026-05-01 14:42 – Updated: 2026-05-01 15:48
VLAI
EPSS
VEX
Summary
An issue was discovered in Prosody before 0.12.6 and 1.0.0 through 13.0.0 before 13.0.5, when mod_proxy65 is enabled. Because mod_proxy65 mishandles access control in the activation scenario, relaying of unauthenticated traffic can occur.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-420 - Unprotected Alternate Channel
Assigner
References
Impacted products
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CVE-2026-40435 (GCVE-0-2026-40435)
Vulnerability from cvelistv5 – Published: 2026-05-13 14:12 – Updated: 2026-05-13 16:17
VLAI
EPSS
VEX
Title
BIG-IP httpd access control vulnerability
Summary
When configured, IP-based access restrictions for httpd do not cover all endpoints, which may allow connections from blocked addresses. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-420 - Unprotected Alternate Channel
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://my.f5.com/manage/s/article/K000156604 | vendor-advisorypatch |
Impacted products
Date Public
2026-05-13 14:00
Credits
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CVE-2026-40217 (GCVE-0-2026-40217)
Vulnerability from cvelistv5 – Published: 2026-04-10 13:43 – Updated: 2026-07-15 01:01
VLAI
EPSS
VEX
Summary
LiteLLM through 2026-04-08 allows remote attackers to execute arbitrary code via bytecode rewriting at the /guardrails/test_custom_code URI.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://www.x41-dsec.de/lab/advisories/x41-2026-0… | |
| https://access.redhat.com/security/cve/CVE-2026-40217 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2457301 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:24866 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:30056 | vendor-advisoryx_refsource_REDHAT |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| BerriAI | LiteLLM |
Affected:
bb0639701796218a3447160e55c0f1097446e4e6085df7dfd39f476d4143743f
(custom)
|
|
| Red Hat | Red Hat Ansible Automation Platform 2.6 |
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1780102732 , < *
(rpm)
cpe:/a:redhat:ansible_automation_platform:2.6::el9 |
|
| Red Hat | Red Hat OpenShift AI 3.3 |
Unaffected:
1782310008 , < *
(rpm)
cpe:/a:redhat:openshift_ai:3.3::el9 |
|
| Red Hat | Lightspeed Core |
cpe:/a:redhat:lightspeed_core |
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai |
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CVE-2026-35388 (GCVE-0-2026-35388)
Vulnerability from cvelistv5 – Published: 2026-04-02 16:57 – Updated: 2026-04-02 18:16
VLAI
EPSS
VEX
Summary
OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-420 - Unprotected Alternate Channel
Assigner
References
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CVE-2026-25916 (GCVE-0-2026-25916)
Vulnerability from cvelistv5 – Published: 2026-02-09 08:14 – Updated: 2026-02-09 15:05
VLAI
EPSS
VEX
Summary
Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-420 - Unprotected Alternate Channel
Assigner
References
Impacted products
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CVE-2025-66432 (GCVE-0-2025-66432)
Vulnerability from cvelistv5 – Published: 2025-11-30 00:00 – Updated: 2025-12-01 14:10
VLAI
EPSS
VEX
Summary
In Oxide control plane 15 through 17 before 17.1, API tokens can be renewed past their expiration date.
Severity
5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-420 - Unprotected Alternate Channel
Assigner
References
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CVE-2025-62820 (GCVE-0-2025-62820)
Vulnerability from cvelistv5 – Published: 2025-10-23 00:00 – Updated: 2025-10-23 14:35
VLAI
EPSS
VEX
Summary
Slack Nebula before 1.9.7 mishandles CIDR in some configurations and thus accepts arbitrary source IP addresses within the Nebula network.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-420 - Unprotected Alternate Channel
Assigner
References
2 references
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CVE-2025-62001 (GCVE-0-2025-62001)
Vulnerability from cvelistv5 – Published: 2025-12-18 20:32 – Updated: 2026-01-15 19:51
VLAI
EPSS
VEX
Title
BullWall Ransomware Containment hard-coded folder exclusions
Summary
BullWall Ransomware Containment supports configurable file and directory exclusions such as '$RECYCLE.BIN' to balance monitoring scope and performance. Certain exclusion patterns could allow an authenticated attacker to rename directories in a way that avoids monitoring. Fixed in 4.6.1.14 and 5.0.0.42, which remove hardcoded exclusion behavior and exposes exclusion handling as configurable settings.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-420 - Unprotected Alternate Channel
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://raw.githubusercontent.com/cisagov/CSAF/de… | government-resourcethird-party-advisory |
| https://www.cve.org/CVERecord?id=CVE-2025-62001 | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| BullWall | Ransomware Containment |
Affected:
4.6.0.0 , < 4.6.1.14
(custom)
Affected: 4.6.0.0 , < 5.0.0.42 (custom) Unaffected: 4.6.1.14 Unaffected: 5.0.0.42 |
Date Public
2025-12-18 00:00
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CVE-2025-59033 (GCVE-0-2025-59033)
Vulnerability from cvelistv5 – Published: 2025-09-08 00:00 – Updated: 2025-11-17 15:57
VLAI
EPSS
VEX
Summary
The Microsoft vulnerable driver block list is implemented as Windows Defender Application Control (WDAC) policy. Entries that specify only the to-be-signed (TBS) part of the code signer certificate are properly blocked, but entries that specify the signing certificate's TBS hash along with a 'FileAttribRef' qualifier (such as file name or version) may not be blocked, whether hypervisor-protected code integrity (HVCI) is enabled or not. NOTE: The vendor disputes this CVE ID assignment and states that the driver blocklist is intended for use with HVCI.
Severity
7.4 (High)
6.7 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
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CVE-2025-56558 (GCVE-0-2025-56558)
Vulnerability from cvelistv5 – Published: 2025-10-29 00:00 – Updated: 2026-01-13 21:16 Exclusively Hosted Service Disputed
VLAI
EPSS
VEX
Summary
The Dyson MQTT server (2022 and possibly later) allows publications and subscriptions by a client that has the correct values of AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_SESSION_TOKEN, and device serial number, even if a device (such as a Pure Hot+Cool device) has been removed and is not visible in the supported MyDyson app. This could allow an unexpected actor to obtain control and set the room temperature (up to 37 Celsius) if ownership of the device is transferred without wiping the device. NOTE: the Supplier's position is that this is a potential vulnerability that dates back 4 years ago in 2022 and "we are unable to replicate that anymore." Based on the submitted report, in order to leverage this issue, an attacker needs to own a Dyson device with full privileges, sniff for the AWS credentials, and then transfer ownership of that Dyson device to the victim. Even if these steps were successfully accomplished, the attacker only acquires the ability to configure the Dyson device within its safe operating range, and does not acquire the ability to execute code on the device or obtain sensitive information.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-420 - Unprotected Alternate Channel
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dyson | MQTT server |
Affected:
2022
(custom)
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Mitigation
Architecture and Design
Identify all alternate channels and use the same protection mechanisms that are used for the primary channels.
No CAPEC attack patterns related to this CWE.